Modern-day scientists, retracing the path of Joseph
Grinnell in Yosemite National Park, document conspicuous changes in
the natural world and find a culprit unimagined by biologists 100
years ago: global warming

In With a Measure of Grace: The Story and Recipes
of a Small Town Restaurant, Blake Spalding and Jennifer
Castle tell how they ended up running the Hell’s Backbone
Grill in the remote community of Boulder, Utah